Soil naturally contains harmless amounts of lead, along with other metals.
土壤天然含有安全量的铅及其他金属。
The surfaces of many metal objects are coated with other metals for protection.
一些金属物的表面会覆盖一层其他金属作为保护。
This pure gold is commonly alloyed with other metals to increase its hardness and decrease its cost.
这通常是纯金合金与其他金属，以增加其硬度和降低其成本。
Aluminium is alloyed with other metals and cast into ingots, and the surface of the ingots is smoothed off.
铝与其他金属一起被制成合金，铸成锭子，并且把锭子的表面光洁化。
Although aluminium alone is not particularly strong, it can form very strong alloys with other metals mixed with it.
虽然铝本身的强度不是特别好，但加入其他金属后可成为强度很好的轻合金。
The cylinder head is usually cast in one piece from iron, from iron alloyed with other metals, or from aluminum alloy.
缸体是由灰铸铁或含有镍或铬的合金铸铁整体铸造而成的。有的缸体由铝浇铸而成。
White gold wedding rings and eternity bands are available in the entire spectrum of the metal through the mixing of pure gold with other metals.
只要将黄金与其他的金属混合做成合金，白金婚戒和永远箍在整个金属范围内都是可以获得的。
The block is cast in one piece from gray iron or iron alloyed with other metals, such as nickel or chromium. Some blocks are cast from aluminum.
缸体是由灰铸铁或含有镍或铬的合金铸铁整体铸造而成的。有的缸体由铝浇铸而成。
When the data is suspended, it can not be directly contacted with other metals, such as wood or rubber sheet should be added to the non - metallic materials.
在资料吊运时，不克不及与其他金属直接接触，应当加垫木板或橡胶板等非金属资料。
By mixing aluminium with other metals, scientists have been able to produce a variety of alloys, some of which have the strength of steel but weigh only one third as much.
把铝和其他金属混合，科学家们能够制造出各种合金，其中一些具有钢一样的强度，但其重量只是钢的三分之一。
By mixing aluminium with other metals, scientists have been able to produce a variety of alloys, some of which have the strength of steel but weigh on ly one third as much.
把铝和其他金属混合，科学家们能够制造出各种合金，其中一些具有钢一样的强度，但其重量只是钢的三分之一。
They can thrive in soil with high concentrations of metals that are toxic to most other plants.
它们能在含有对大多数其他植物有毒的高浓度金属的土壤中茁壮成长。
Like all metals, these react with other elements by giving up electrons to form positively charged ions.
像所有的金属一样，铁原子与其他元素反应，释放电子形成带正电的离子。
The usual way to do this is with a thermocouple—a sandwich of two metals that produce a current when one side of the sandwich is hotter than the other.
通常这种热-电转化方式是利用热电偶实现的。 热电偶由两层不同的金属构成，其中一层比另一层温度高时就在两层金属间产生电流。
So-called dental amalgams, or fillings made with a mix of mercury and other metals, have been used since the 1800s.
所谓的银汞合金或者是填充材料，是用汞和其他材料混合制成的，这种方法从1800年就使用了。
Useable with all ferrous and nonferrous metals, including tin-coated steel, copper, brass, and other metals prone to staining.
它可以用在所有含铁金属和非铁金属上，包括镀锡钢，铜和其他有色金属。
A little more than 1.5 percent of each gold medal was made with metals harvested from cathode ray tube glass, computer parts, circuit boards and other trashed tech.
每块金牌都有1.5%多来自于从阴极射线管，电脑零件，电路板和其他电子垃圾中提取的金属。
172copper occurs in nature mixed with other minerals and valuable metals in ore, and the proportion of copper in the ore can vary considerably.
172铜在自然中与其他矿物和有价值的金属混合存在于矿石中，而且矿石中铜的比例可能有很大差别。
Parts of the ocean floor, it was pointed out, were littered with manganese nodules containing nickel, copper and cobalt, and deposits of other metals abounded, not to mention oil and gas.
有人指出，一部分海底布满了含有丰富镍、铜和钴及其他金属的锰结核，更甭说石油和天然气了。
Other mining stocks rose in Sydney as investors switched into them, with Rio Tinto rising 2.8% and Fortescue Metals Group climbing 2.6%.
当投资者转向矿产股时，悉尼的其他的矿产股票都在上涨，力拓公司上涨了2.8%，福蒂·斯丘金属集团上涨了2.6%。
An alloy of copper with zinc and sometimes other metals, used in making inexpensive jewelry.
顿巴黄铜铜与锌，有时还有其它金属的合金，用来制造廉价珠宝。
Finally he found out how to refine iron and other metals with fire.
最终他发现了如何用火炼铁及其它金属。
When these metals are connected, bimetal couples are created and one metal corrodes with respect to the other.
当这些金属相连时，就形成了双金属电偶对，其中一种金属相对于另一种金属就被腐蚀了。
Investors sold dollars and moved back into gold and other precious metals along with energy and agriculture futures.
投资者出售美元，购回黄金和其它贵金属以及能源与农产品期货。
Apart from the land that landfills pollute, they can also poison underground reservoirs of water with metals and dangerous chemicals from packaging materials and other debris.
垃圾掩埋除了对土壤造成污染外，垃圾中的包装材料和一些残骸中含有的有害金属和有毒化合物，也能对地下水源造成污染。
Some metals are found in their native status, that is, uncombined with other elements.
有些金属是以天然状态存在的，即不与其他元素化合。
Some metals are found in their native status, that is, uncombined with other elements.
有些金属是以天然状态存在的，即不与其他元素化合。
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